Examples with PortletSession javax.portlet.PortletSession used on opensource projects

Example 11 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class SearchPortletController method performSearch.

@SuppressWarnings("unchecked")
@ActionMapping
public void performSearch(@RequestParam(value = "query") String query, ActionRequest request, ActionResponse response, @RequestParam(value = "ajax", required = false) final boolean ajax) throws IOException {
    final PortletSession session = request.getPortletSession();
    final String queryId = RandomStringUtils.randomAlphanumeric(32);
    if (isTooManyQueries(session, queryId)) {
        logger.debug("Rejecting search for '{}', exceeded max queries per minute for user", query);
        if (!ajax) {
            response.setRenderParameter("hitMaxQueries", Boolean.TRUE.toString());
            response.setRenderParameter("query", query);
        } else {
            // For Ajax return to a nonexistent file to generate the 404 error since it was
            // easier for the
            // UI to have an error response.
            final String contextPath = request.getContextPath();
            response.sendRedirect(contextPath + AJAX_MAX_QUERIES_URL);
        }
        return;
    }
    // construct a new search query object from the string query
    final SearchRequest queryObj = new SearchRequest();
    queryObj.setQueryId(queryId);
    queryObj.setSearchTerms(query);
    setupSearchResultsObjInSession(session, queryId);
    if (!isRestSearch(request)) {
        /*
             * TODO:  For autocomplete I wish we didn't have to go through a whole render phase just
             * to trigger the events-based features of the portlet, but atm I don't
             * see a way around it, since..
             *
             *   - (1) You can only start an event chain in the Action phase;  and
             *   - (2) You can only return JSON in a Resource phase;  and
             *   - (3) An un-redirected Action phase leads to a Render phase, not a
             *     Resource phase :(
             *
             * It would be awesome either (first choice) to do Action > Event > Resource,
             * or Action > sendRedirect() followed by a Resource request.
             *
             * As it stands, this implementation will trigger a complete render on
             * the portal needlessly.
             */
        // send a search query event
        response.setEvent(SearchConstants.SEARCH_REQUEST_QNAME, queryObj);
    }
    logger.debug("Query initiated for queryId {}, query {}", queryId, query);
    response.setRenderParameter("queryId", queryId);
    response.setRenderParameter("query", query);
}

Example 12 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class SearchPortletController method showJSONSearchResults.

/**
 * Display AJAX autocomplete search results for the last query
 */
@ResourceMapping(value = "retrieveSearchJSONResults")
public ModelAndView showJSONSearchResults(PortletRequest request) {
    PortletPreferences prefs = request.getPreferences();
    int maxTextLength = Integer.parseInt(prefs.getValue(AUTOCOMPLETE_MAX_TEXT_LENGTH_PREF_NAME, "180"));
    final Map<String, Object> model = new HashMap<>();
    List<AutocompleteResultsModel> results = new ArrayList<>();
    final PortletSession session = request.getPortletSession();
    String queryId = (String) session.getAttribute(SEARCH_LAST_QUERY_ID);
    if (queryId != null) {
        final PortalSearchResults portalSearchResults = this.getPortalSearchResults(request, queryId);
        if (portalSearchResults != null) {
            final ConcurrentMap<String, List<Tuple<SearchResult, String>>> resultsMap = portalSearchResults.getResults();
            results = collateResultsForAutoCompleteResponse(resultsMap, maxTextLength);
        }
    }
    model.put("results", results);
    model.put("count", results.size());
    return new ModelAndView("json", model);
}

Example 13 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class PortletSessionAdministrativeRequestListener method administer.

/**
 * @see
 *     org.apache.pluto.spi.optional.AdministrativeRequestListener#administer(javax.portlet.PortletRequest,
 *     javax.portlet.PortletResponse)
 */
@Override
public void administer(PortletRequest request, PortletResponse response) {
    final SessionAction action = this.getAction(request);
    final Object[] arguments = this.getArguments(request);
    final int scope = this.getScope(request);
    // Check the argument count
    final int argumentCount = arguments != null ? arguments.length : 0;
    if (argumentCount != action.getArgumentCount()) {
        throw new IllegalArgumentException("SessionAction " + action + " requires " + action.getArgumentCount() + " arguments but " + argumentCount + " arguments were provided.");
    }
    // Get the session according to the action
    final PortletSession portletSession = request.getPortletSession(action.isRequiresCreation());
    switch(action) {
        case CLEAR:
            {
                if (portletSession != null) {
                    for (final Enumeration<String> attributeNames = (Enumeration<String>) portletSession.getAttributeNames(scope); attributeNames.hasMoreElements(); ) {
                        final String attributeName = attributeNames.nextElement();
                        portletSession.removeAttribute(attributeName, scope);
                    }
                }
            }
            break;
        case SET_ATTRIBUTE:
            {
                final String attributeName = (String) arguments[0];
                final Object value = arguments[1];
                portletSession.setAttribute(attributeName, value, scope);
            }
            break;
    }
}

Example 14 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class PortletSessionExpirationManager method onApplicationEvent.

/* (non-Javadoc)
     * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.springframework.context.ApplicationEvent)
     */
@Override
public void onApplicationEvent(HttpSessionDestroyedEvent event) {
    final HttpSession session = ((HttpSessionDestroyedEvent) event).getSession();
    @SuppressWarnings("unchecked") final Map<String, PortletSession> portletSessions = (Map<String, PortletSession>) session.getAttribute(PORTLET_SESSIONS_MAP);
    if (portletSessions == null) {
        return;
    }
    /*
         * Since (at least) Tomcat 7.0.47, this method has the potential to
         * generate a StackOverflowError because PortletSession.invalidate()
         * will trigger another HttpSessionDestroyedEvent, which means this
         * method will be called again.  I don't know if this behavior is a bug
         * in Tomcat or Spring, if this behavior is entirely proper, or if the
         * reality somewhere in between.
         *
         * For the present, let's put a token in the HttpSession (which is
         * available from the event object) as soon as we start invalidating it.
         * We'll then ignore sessions that already have this token.
         */
    if (session.getAttribute(ALREADY_INVALIDATING_SESSION_ATTRIBUTE) != null) {
        // We're already invalidating;  don't do it again
        return;
    }
    session.setAttribute(ALREADY_INVALIDATING_SESSION_ATTRIBUTE, Boolean.TRUE);
    for (final Map.Entry<String, PortletSession> portletSessionEntry : portletSessions.entrySet()) {
        final String contextPath = portletSessionEntry.getKey();
        final PortletSession portletSession = portletSessionEntry.getValue();
        try {
            portletSession.invalidate();
        } catch (IllegalStateException e) {
            this.logger.info("PortletSession with id '" + portletSession.getId() + "' for context '" + contextPath + "' has already been invalidated.");
        } catch (Exception e) {
            this.logger.warn("Failed to invalidate PortletSession with id '" + portletSession.getId() + "' for context '" + contextPath + "'", e);
        }
    }
}

Example 15 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class PortletSessionExpirationManager method onEnd.

/* (non-Javadoc)
     * @see org.apache.pluto.spi.optional.PortletInvocationListener#onEnd(org.apache.pluto.spi.optional.PortletInvocationEvent)
     */
@SuppressWarnings("unchecked")
@Override
public void onEnd(PortletInvocationEvent event) {
    final PortletRequest portletRequest = event.getPortletRequest();
    final PortletSession portletSession = portletRequest.getPortletSession(false);
    if (portletSession == null) {
        return;
    }
    final HttpServletRequest portalRequest = this.portalRequestUtils.getPortletHttpRequest(portletRequest);
    final HttpSession portalSession = portalRequest.getSession();
    if (portalSession != null) {
        NonSerializableMapHolder<String, PortletSession> portletSessions;
        synchronized (WebUtils.getSessionMutex(portalSession)) {
            portletSessions = (NonSerializableMapHolder<String, PortletSession>) portalSession.getAttribute(PORTLET_SESSIONS_MAP);
            if (portletSessions == null || !portletSessions.isValid()) {
                portletSessions = new NonSerializableMapHolder(new ConcurrentHashMap<String, PortletSession>());
                portalSession.setAttribute(PORTLET_SESSIONS_MAP, portletSessions);
            }
        }
        final String contextPath = portletRequest.getContextPath();
        portletSessions.put(contextPath, portletSession);
    }
}